//
//  UIImageView+Extionsion.swift
//  Webo
//
//  Created by 曾静 on 16/6/25.
//  Copyright © 2016年 qq. All rights reserved.
//

import UIKit


//在扩展里面只能定义遍历构造函数
extension UIImageView{
    
    convenience init(imageName:String) {
        
        self.init(image: UIImage(named: imageName))
        
        
    }
    
}